<template>
  <svg :style="{ width: iconSize, height: iconSize }" :class="svgClass" aria-hidden="true">
    <use :xlink:href="iconName" :fill="color" />
  </svg>
</template>

<script setup>
import { computed } from "vue";

const props = defineProps({
  iconClass: {
    type: String,
    required: true
  },
  className: {
    type: String,
    default: ""
  },
  color: {
    type: String,
    default: ""
  },
  size: {
    type: String || Number,
    default: "16px"
  }
});

const getUnitValue = value => {
  return /(px|em|rem|%)$/.test(value.toString()) ? value : value + "px";
};
const iconSize = computed(() => {
  return getUnitValue(props.size);
});

const iconName = computed(() => `#icon-${props.iconClass}`);
const svgClass = computed(() => {
  if (props.className) {
    return `svg-icon ${props.className}`;
  }
  return "svg-icon";
});
</script>

<style scoped lang="scss">
.sub-el-icon,
.nav-icon {
  display: inline-block;
  font-size: 15px;
  margin-right: 12px;
  position: relative;
}

.svg-icon {
  width: 1em;
  height: 1em;
  position: relative;
  fill: currentColor;
  vertical-align: -2px;
}
</style>
